This study assessed the impact of oral administration of zinc oxide (ZnO) and selenium (Se) nanoparticles on milk production and gene expression in Baladi goats. Twenty-two pregnant females, 30 days before parturition, were divided into five groups: Group 1 (n=4) served as control; Groups 2 and 3 (n=4 each) received 150 mg ZnO and 0.3 mg of Se in microparticle (MP) forms, respectively; Groups 4 an...